Bladder Cancer Clinical Trial
Bacillus Calmette-Guérin (BCG) and Gemcitabine in People With High-Grade Non-Muscle Invasive Bladder Cancer That Came Back After BCG Treatment
This study will test the safety of BCG and gemcitabine in people who have BCG-relapsing Non-Muscle Invasive Bladder Cancer (NMIBC). The researchers will test increasing doses of gemcitabine to find the highest dose that causes few or mild side effects when combined with BCG. The study will also look at whether this combination of drugs is effective in treating BCG-relapsing NMIBC.
Recurrent high-grade NMIBC Tis (with TaHG, or T1 also acceptable) within 24 months of the last treatment with BCG (with or without IFN)
Pathologic confirmation of stage, grade, and urothelial histology by the Department of Pathology at MSK
All visible papillary lesions macroscopically resected within 60 days of treatment initiation
Absence of urothelial carcinoma involving the upper urinary tract (documented by radiological imaging or ureteroscopy) within 12 months from the start of treatment
Receipt of restaging transurethral resection (TUR) for any tumor with invasion into the lamina propria (HGT1) as part of standard care
Age ≥18 years
Karnofsky performance status ≥60%
Positive pregnancy test
Known contraindications to BCG
History of systemic hypersensitivity reaction or history of febrile systemic BCG reaction
Febrile illness or persistent gross hematuria
Immunosuppression due to congenital or acquired immune deficiency, concurrent immune suppressive disease, systemic cancer therapy, or chronic immunosuppressive therapy other than topical or inhaled corticosteroids
History of or currently being treated for muscle-invasive (i.e., stage T2 or higher) or metastatic urothelial cell carcinoma
Evidence of concurrent extravesical (i.e., urethra, ureter, or renal pelvis) urothelial cell carcinoma
BCG-unresponsive NMIBC as defined by the FDA:
HGT1 within 3 months after an induction BCG course (received ≥5 of 6 doses)
Persistent or recurrent high-grade NMIBC (Tis, Ta, T1) within 6 months of ≥5 of 6 doses of induction BCG therapy and ≥2 of 3 doses of maintenance BCG therapy
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